//package test;
//
//import java.io.BufferedInputStream;
//import java.io.BufferedOutputStream;
//
//public class BufferedDemo {
//    public static void main(String[] args) {
//        copyFile()
//    }
//
//    private static void copyFile(String src,String target) {
//        BufferedInputStream in=null;
//        BufferedOutputStream out=null;
//
//    }
//}
